From owner-freebsd-current Tue Nov 4 17:15:43 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id RAA25022 for current-outgoing; Tue, 4 Nov 1997 17:15:43 -0800 (PST) (envelope-from owner-freebsd-current) Received: from zippy.dyn.ml.org (garbanzo@spain-7.ppp.hooked.net [206.169.228.7]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id RAA25017 for ; Tue, 4 Nov 1997 17:15:39 -0800 (PST) (envelope-from garbanzo@hooked.net) Received: from localhost (garbanzo@localhost) by zippy.dyn.ml.org (8.8.7/8.8.7) with SMTP id RAA03201; Tue, 4 Nov 1997 17:16:17 -0800 (PST) X-Authentication-Warning: zippy.dyn.ml.org: garbanzo owned process doing -bs Date: Tue, 4 Nov 1997 17:16:17 -0800 (PST) From: Alex X-Sender: garbanzo@zippy.dyn.ml.org To: "John S. Dyson" cc: freebsd-current@FreeBSD.ORG Subject: Re: More on fast make world... In-Reply-To: <199711040917.EAA00368@dyson.iquest.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Tue, 4 Nov 1997, John S. Dyson wrote: > > Silly question: How do I do that? Last I tried I ended in a panic... > > How large? Where to mount? /tmp or /var/tmp? I foreget ... > > > > Without these improvements, we are at 102 minutes end-to-end. Let's go for > > sub-hour make world! > > > > This is my fstab entry. You'll also have to add the MFS option to the kernel. > The -s param should be smaller than your amount of swap. To add -pipe, just > edit your /etc/make.conf file and add -pipe to your CFLAGS entry. > > swap /tmp mfs rw,-s=210000,-b=16384,-f=2048 0 0 Ok, this is probably a silly question, but here it goes. What exactly is MFS? Is it akin to a ramdisk? Or is it just swap space that's emulating a drive slice? If it's realy out of swap space, how would that actually improve performance? - alex